Added logging to i3exit.bash.

i3/i3/scripts/i3exit.bash

@@ -2,32 +2,53 @@
 
 ### From http://www.archlinux.org/index.php/i3
 
-lock() {
+LOGFILE="$HOME/.i3/logs/i3exit.log"
+LOGFILE_MAXSIZE=100000
+
+[[ $(stat -c%s "$LOGFILE") -gt $LOGFILE_MAXSIZE ]] && >$LOGFILE
+
+log()
+{
+    echo "$(date "+%Y-%m-%d %H:%M:%S") $1" >> "$LOGFILE"
+}
+
+lock()
+{
     i3lock --image="$HOME/.i3/data/lockscreen.png"
 }
 
+log "[I] Received signal \"$1\"."
+
 case "$1" in
     lock)
+        log "[I] Locking session."
         lock
         ;;
     logout)
+        log "[I] Exiting i3."
         i3-msg exit
         ;;
     suspend)
+        log "[I] Suspending."
         lock && systemctl suspend
         ;;
     hibernate)
+        log "[I] Hibernating."
         lock && systemctl hibernate
         ;;
     reboot)
+        log "[I] Rebooting."
         systemctl reboot
         ;;
     shutdown)
+        log "[I] Shutting down."
         systemctl poweroff
         ;;
     *)
         echo "Usage: $0 {lock|logout|suspend|hibernate|reboot|shutdown}"
+        log "[E] Signal \"$1\" unknown. Aborting."
         exit 2
 esac
 
+log "[I] Done."
 exit 0